Come and Check Our Branding Solutions.The resistance bands made of TPE, have 5 different resistance level, includes Black (50 lbs.),Green(40 lbs.),Blue (30 lbs.), Red(20 lbs.) and Yellow (10 lbs.).The bands can be used alone or stacked in any combination to achieve your optimal resistance level up to 100 lbs. Perfect for toning your arms, shoulders, chest, glutes, legs etc. Also comes with convenient travel pouch. You can also take your bands to Gym, Office, and even workout on vacation Morn than 500 pieces is for shipping ocean. Pls check inventory and detailed info before placing your orders.